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Reykjavík vs Oslo
Comparing Reykjavík change · Oslo change
Oslo is the warmer of the two — about 2°C on the annual average; Reykjavík is the wetter, with 496 mm more rain a year, and Oslo the sunnier.
How the seasons compare
The differences between Reykjavík and Oslo, in everyday terms.
Summers
Oslo has far hotter summers
Reykjavík: Cool
Oslo: Mild
Winters
Reykjavík has milder winters
Reykjavík: Cold
Oslo: Cold
Rain & snow
Reykjavík is wetter
Reykjavík: Wet
Oslo: Moderate rainfall
Sky
Oslo is sunnier
Reykjavík: Often grey
Oslo: Often cloudy
Month-by-month charts
Temperature
Oslo is the warmer of the two — about 2°C on the annual average.
Precipitation
Reykjavík is the wetter — about 496 mm more across the year.
Clear skies
Oslo has the clearer skies — the higher line.
Exact monthly numbers
Tap a metric to open its full table. Desktop shows all twelve months; on a phone each metric splits into Jan–Jun and Jul–Dec.
Avg high (°C) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reykjavík | 3 | 3 | 4 | 6 | 9 | 12 | 14 | 13 | 11 | 7 | 5 | 4 |
| Oslo | 0 | 1 | 5 | 11 | 17 | 20 | 23 | 21 | 16 | 10 | 4 | 1 |
| Difference | -3 | -2 | +2 | +5 | +7 | +8 | +9 | +8 | +5 | +2 | — | -3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Reykjavík | 3 | 3 | 4 | 6 | 9 | 12 |
| Oslo | 0 | 1 | 5 | 11 | 17 | 20 |
| Difference | -3 | -2 | +2 | +5 | +7 | +8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Reykjavík | 14 | 13 | 11 | 7 | 5 | 4 |
| Oslo | 23 | 21 | 16 | 10 | 4 | 1 |
| Difference | +9 | +8 | +5 | +2 | — | -3 |
Avg low (°C) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reykjavík | -1 | -2 | -2 | 1 | 4 | 7 | 9 | 9 | 6 | 3 | 0 | -1 |
| Oslo | -5 | -5 | -2 | 2 | 7 | 11 | 13 | 13 | 9 | 4 | -0 | -4 |
| Difference | -3 | -2 | — | +1 | +3 | +4 | +5 | +4 | +2 | +1 | — | -3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Reykjavík | -1 | -2 | -2 | 1 | 4 | 7 |
| Oslo | -5 | -5 | -2 | 2 | 7 | 11 |
| Difference | -3 | -2 | — | +1 | +3 | +4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Reykjavík | 9 | 9 | 6 | 3 | 0 | -1 |
| Oslo | 13 | 13 | 9 | 4 | -0 | -4 |
| Difference | +5 | +4 | +2 | +1 | — | -3 |
Precipitation (mm) Reykjavík runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reykjavík | 133 | 127 | 109 | 75 | 93 | 50 | 95 | 135 | 128 | 114 | 149 | 123 |
| Oslo | 58 | 46 | 42 | 48 | 59 | 80 | 87 | 103 | 83 | 94 | 83 | 53 |
| Difference | -75 | -81 | -67 | -27 | -34 | +30 | -8 | -31 | -45 | -21 | -66 | -71 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Reykjavík | 133 | 127 | 109 | 75 | 93 | 50 |
| Oslo | 58 | 46 | 42 | 48 | 59 | 80 |
| Difference | -75 | -81 | -67 | -27 | -34 | +30 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Reykjavík | 95 | 135 | 128 | 114 | 149 | 123 |
| Oslo | 87 | 103 | 83 | 94 | 83 | 53 |
| Difference | -8 | -31 | -45 | -21 | -66 | -71 |
Snowfall (cm)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reykjavík | 28 | 40 | 29 | 12 | 1 | 0 | 0 | 0 | 0 | 1 | 21 | 30 |
| Oslo | — | — | — | — | — | — | — | — | — | — | — | — |
| Difference | — | — | — | — | — | — | — | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Reykjavík | 28 | 40 | 29 | 12 | 1 | 0 |
| Oslo | — | — | — | — | — | — |
| Difference | — | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Reykjavík | 0 | 0 | 0 | 1 | 21 | 30 |
| Oslo | — | — | — | — | — | — |
| Difference | — | — | — | — | — | — |
Cloud cover (%) Reykjavík runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reykjavík | 85 | 82 | 82 | 79 | 76 | 79 | 81 | 79 | 79 | 78 | 82 | 84 |
| Oslo | 76 | 75 | 69 | 68 | 65 | 67 | 68 | 68 | 70 | 73 | 76 | 76 |
| Difference | -9 | -8 | -12 | -11 | -12 | -12 | -14 | -12 | -9 | -4 | -6 | -9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Reykjavík | 85 | 82 | 82 | 79 | 76 | 79 |
| Oslo | 76 | 75 | 69 | 68 | 65 | 67 |
| Difference | -9 | -8 | -12 | -11 | -12 | -12 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Reykjavík | 81 | 79 | 79 | 78 | 82 | 84 |
| Oslo | 68 | 68 | 70 | 73 | 76 | 76 |
| Difference | -14 | -12 | -9 | -4 | -6 | -9 |
Relative humidity (%) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reykjavík | 88 | 87 | 86 | 84 | 83 | 83 | 85 | 86 | 86 | 88 | 88 | 88 |
| Oslo | 98 | 98 | 93 | 83 | 78 | 78 | 80 | 84 | 87 | 93 | 97 | 97 |
| Difference | +10 | +10 | +7 | -1 | -5 | -5 | -4 | -2 | +1 | +5 | +9 | +10 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Reykjavík | 88 | 87 | 86 | 84 | 83 | 83 |
| Oslo | 98 | 98 | 93 | 83 | 78 | 78 |
| Difference | +10 | +10 | +7 | -1 | -5 | -5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Reykjavík | 85 | 86 | 86 | 88 | 88 | 88 |
| Oslo | 80 | 84 | 87 | 93 | 97 | 97 |
| Difference | -4 | -2 | +1 | +5 | +9 | +10 |
How both climates are changing
Both cities are warming. Each city has its own warming trend; see its trends page for the year-by-year detail. Reykjavík trends → · Oslo trends →
Reykjavík is projected to shift from Cfc to Cfb by the 2071–2099 window (SSP2-4.5); Oslo from Cfb to Dfb.
Methodology & sources
Reykjavík
Temperature & precipitation — 1991–2020 normals computed from 11 years of daily observations at Keflavik, a weather station, about 39 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.
Oslo
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Oslo Blindern, a weather station, about 4 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.
← change Reykjavík · change Oslo → · Reykjavík page · Oslo page